Bangladesh Weather & Climate Guide 2025
Plan your trip with detailed weather information and seasonal tips for Bangladesh.
Bangladesh offers an incredible mix of natural wonders, from the world's longest beach at Cox's Bazar to the mangrove forests of the Sundarbans. Experience vibrant culture, ancient heritage sites, and warm hospitality in this South Asian gem.
Best Time to Visit
Best Months
November to February
Months to Avoid
April to September (monsoon season)
Climate Overview
Bangladesh has a subtropical monsoon climate characterized by a hot, humid summer, a wet monsoon season from June to October, and a pleasant cool winter from November to February. Temperatures range from 8°C in January in the north to over 40°C in April-May, with the capital Dhaka averaging 26°C year-round. The country receives 1,500-3,000mm of rainfall annually, mostly from June to September when flooding affects large parts of the delta.
Month-by-Month Guide
What to expect each month of the year.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Seasonal Planning Guide
Complete weather data, packing lists by season, and event calendars.
Seasonal Breakdown
Detailed information for each season.
🌸 Spring
Mar-May
Pre-monsoon hot season with temperatures climbing sharply. Mango season begins in May and the landscape turns dry and dusty. Nor'westers (kalbaishakhi) — dramatic evening thunderstorms — occur frequently in April and May.
☀️ Summer
Jun-Sep
Monsoon season with heavy daily rainfall, high humidity, and warm temperatures around 30°C. Rivers flood extensively across the delta. St. Martin's Island boat services stop. Ratargul Swamp Forest at its most spectacular when fully submerged.
🍂 Fall
Oct-Nov
Post-monsoon transition — rains ease, temperatures moderate, and the landscape is lush green from the monsoon. Waterfalls at peak flow in Bandarban. October is excellent for Chittagong Hill Tracts trekking as trails are clear and vegetation is vivid.
❄️ Winter
Dec-Feb
Bangladesh's best and most popular season with cool, dry weather and clear skies. Temperatures in Dhaka average 15-22°C. The north can see temperatures drop to 8-10°C. St. Martin's Island accessible. Sundarbans ideal season.
What to Pack
Seasonal packing recommendations.
Year-Round Essentials
- Modest clothing (cover shoulders and knees)
- Comfortable walking shoes
- Sun protection (hat, sunscreen, sunglasses)
- Light scarf or shawl (for religious sites)
- Reusable water bottle
- Power adapter
- Basic first aid kit
Hot Weather Additions
- Lightweight, breathable fabrics
- Extra sun protection
- Cooling towel
- Light colors to reflect heat
- Sandals with back straps
Cool Weather Additions
- Warm layers (fleece, sweater)
- Light jacket or coat
- Rain gear (umbrella, waterproof jacket)
- Closed-toe shoes
- Warm accessories (if winter)
Events & Crowd Levels
Plan around busy periods and special events.
🔴 High Season
Nov-Feb
Higher prices, advance booking essential, crowded attractions.
🟡 Shoulder Season
Oct and Mar
Good balance of weather and crowds. Reasonable prices.
🟢 Low Season
Apr-Sep
Best deals, fewer tourists. Some services may be limited.
Major Events & Holidays
Major cultural celebration with processions, traditional foods (panta bhat with ilish fish), music, and festivities. Biggest celebration at Dhaka University with Mangal Shobhajatra parade. Everyone wears traditional clothing.
Biggest Muslim celebration marking end of Ramadan. Three-day public holiday with family gatherings, feasts, special prayers, and gift-giving. Cities empty as people return to villages.
Festival of Sacrifice with animal sacrifices, meat distribution to poor, family gatherings. Major public holiday. Streets crowded with livestock markets beforehand.
Major Hindu festival celebrating Goddess Durga. Elaborate pandals (temporary temples) throughout country, especially Dhaka. Cultural programs, traditional music, and food. Dhakeshwari Temple focal point.
Celebrates 1971 independence from Pakistan. National holiday with parades, ceremonies at National Martyrs' Memorial, cultural programs. Patriotic atmosphere throughout country.
UNESCO-recognized day honoring Language Movement martyrs. Ceremonies at Shaheed Minar, barefoot processions, cultural programs. Pride in Bengali language celebrated.
Commemorates 1971 declaration of independence. National holiday with flag hoisting, military parades, cultural events, and visits to war memorials.
Holy month of fasting. Experience special iftar (breaking fast) meals with dates and traditional foods. Evening streets come alive with food vendors. Old Dhaka iftar markets famous. Many restaurants closed during day.
Plan Your Perfect Bangladesh Trip
Get our complete seasonal guide with detailed packing lists, event calendars, and month-by-month planning tips.
Download Weather Guide